Fingernails get stronger with Collagen Peptides*

In this open-label, non-placebo trial, 25 people took 2,500 mg of Bioactive Collagen Peptides per day for 24 weeks. Doctors measured nail health before, during, and after the study.

After 12 weeks, nail growth had increased by 10 percent, by 12 percent after 24 weeks, and continued increasing by 15 percent up to four weeks after stopping collagen supplementation. Participants reported breaking nails 10 times per month before the study, but just six times per month at 24 weeks. Nail peeling, irregular edges, and roughness declined by half at 12 weeks.

At the end of the study, 80 percent of the women were totally satisfied with collagen, and 46 percent rated overall improvement as a 9 or 10 on a scale of 1 to 10. Most participants also said they believed their nails were longer, stronger, and grew faster after taking collagen. 

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